N,N'-Di-sec-butyl-p-phenylenediamine from Mexico
Aliphatic-aromatic diamine antioxidant for lubricants and rubber. Classifies 2929.90.50 as other nitrogen-function compound with mixed substitution pattern. Chemically defined per Chapter notes.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify alkyl chain configuration; Distinguish from polymer dispersions; Oxidative stability test supports classification